CVE-2026-65884

EUVD-2026-50299
Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.81%
Affected Products (NVD)
VendorProductVersion
balbooagridbox
𝑥
< 2.20.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/
https://www.balbooa.com/gridbox